The Z-Jib allows you to do get those gorgeous "Floating" shots, without having to deal with a handheld camera or a steadicam.

Here the Z-Jib is setup on a dolly for a 75 foot tracking shot.

(Case Giraldi)

Z-Jib's 3rd axis of movement removes all arcs that common jibs suffer from, allowing the operator total 360° freedom to move the camera.